Male
FIDE ID:
Ronald Ritsema
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 2nd Science Park Open A | 07/14/2012 | 2290 |  Netherlands |
| Haarlem AKN op 10th | 07/06/2001 | 621 | Netherlands |
| Helmond op | 06/??/2001 | 560 | Netherlands |
| Haarlem AKN op | 06/30/2000 | 734 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A36 | English, symmetrical variation | 5 games |
| A17 | English opening | 1 games |
| B38 | Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | 1 games |
| A47 | Queen's Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C00 | French defence | 2 games |
| B40 | Sicilian defence | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 1 games |
